Infiniti FX35, FX50 (S51). Manual - part 1829

SHIFT LOCK SYSTEM

TM-123

< DTC/CIRCUIT DIAGNOSIS >

[7AT: RE7R01A (VQ35HR)]

C

E

F

G

H

I

J

K

L

M

A

B

TM

N

O

P

JCDWA0566GB

TM-124

< DTC/CIRCUIT DIAGNOSIS >

[7AT: RE7R01A (VQ35HR)]

SHIFT LOCK SYSTEM

Component Function Check

INFOID:0000000005250125

1.

CHECK A/T SHIFT LOCK OPERATION (PART 1)

1.

Turn ignition switch ON.

2.

Shift the selector lever to “P” position.

3.

Attempt to shift the selector lever to any other position with the brake pedal released.

Can the selector lever be shifted to any other position?

JCDWA0567GB

SHIFT LOCK SYSTEM

TM-125

< DTC/CIRCUIT DIAGNOSIS >

[7AT: RE7R01A (VQ35HR)]

C

E

F

G

H

I

J

K

L

M

A

B

TM

N

O

P

YES

>> Go to 

TM-125, "Diagnosis Procedure"

.

NO

>> GO TO 2.

2.

CHECK A/T SHIFT LOCK OPERATION (PART 2)

Attempt to shift the selector lever to any other position with the brake pedal depressed.

Can the selector lever be shifted to any other position?

YES

>> INSPECTION END

NO

>> Go to 

TM-125, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000005250126

1.

CHECK POWER SOURCE (PART 1)

1.

Turn ignition switch OFF.

2.

Disconnect A/T shift selector connector.

3.

Turn ignition switch ON.

4.

Check voltage between A/T shift selector vehicle side harness connector terminal and ground.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> GO TO 5.

2.

CHECK GROUND CIRCUIT

Check continuity between A/T shift selector vehicle side harness connector terminal and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace damaged parts.

3.

CHECK HARNESS BETWEEN A/T SHIFT SELECTOR AND SHIFT LOCK UNIT

1.

Disconnect shift lock unit connector.

2.

Check continuity between A/T shift selector connector terminals and shift lock unit A/T shift selector side
connector terminals.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace damaged parts.

4.

CHECK SHIFT LOCK UNIT

1.

Remove shift lock unit. Refer to 

TM-168, "Exploded View"

.

2.

Check shift lock unit. Refer to 

TM-127, "Component Inspection (Shift Lock Solenoid)"

.

Is the inspection result normal?

YES

>> Check intermittent incident. Refer to 

GI-36, "Intermittent Incident"

.

NO

>> Replace shift lock unit. Refer to 

TM-168, "Exploded View"

.

A/T shift selector vehicle side harness connector

Ground

Condition

Voltage (Approx.)

Connector

Terminal

M137

8

Depressed brake pedal.

Battery voltage

Released brake pedal.

0 V

A/T shift selector vehicle side harness connector

Ground

Continuity

Connector

Terminal

M137

4

Existed

A/T shift selector connector

Shift lock unit A/T shift selector side connector

Continuity

Connector

Terminal

Connector

Terminal

M137

8

M222

3

Existed

4

4

TM-126

< DTC/CIRCUIT DIAGNOSIS >

[7AT: RE7R01A (VQ35HR)]

SHIFT LOCK SYSTEM

5.

CHECK POWER SOURCE (PART 2)

1.

Turn ignition switch OFF.

2.

Disconnect stop lamp switch connector.

3.

Turn ignition switch ON.

4.

Check voltage between stop lamp switch vehicle side harness connector terminal and ground.

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> GO TO 9.

6.

CHECK STOP LAMP SWITCH (PART 1)

Check stop lamp switch. Refer to 

TM-127, "Component Inspection (Stop Lamp Switch)"

.

Is the inspection result normal?

YES

>> GO TO 7.

NO

>> GO TO 12.

7.

CHECK HARNESS BETWEEN STOP LAMP SWITCH AND SHIFT SELECTOR (PART 1)

Check continuity between stop lamp switch vehicle side harness connector terminal and A/T shift selector
vehicle side harness connector terminal.

Is the inspection result normal?

YES

>> GO TO 8.

NO

>> Repair or replace damaged parts.

8.

CHECK HARNESS BETWEEN STOP LAMP SWITCH AND SHIFT SELECTOR (PART 2)

Check continuity between stop lamp switch vehicle side harness connector terminal and ground.

Is the inspection result normal?

YES

>> Check intermittent incident. Refer to 

GI-36, "Intermittent Incident"

.

NO

>> Repair or replace damaged parts.

9.

CHECK HARNESS BETWEEN FUSE BLOCK (J/B) AND STOP LAMP SWITCH (PART 1)

1.

Turn ignition switch OFF.

2.

Disconnect fuse block (J/B) connector.

3.

Check continuity between fuse block (J/B) vehicle side harness connector terminal and stop lamp switch
vehicle side harness connector terminal.

Is the inspection result normal?

YES

>> GO TO 10.

NO

>> Repair or replace damaged parts.

10.

CHECK HARNESS BETWEEN FUSE BLOCK (J/B) AND STOP LAMP SWITCH (PART 2)

Stop lamp switch vehicle side harness connector

Ground

Voltage (Approx.)

Connector

Terminal

E110

3

Battery voltage

Stop lamp switch vehicle side harness connector

A/T shift selector vehicle side harness connector

Continuity

Connector

Terminal

Connector

Terminal

E110

4

M137

8

Existed

Stop lamp switch vehicle side harness connector

Ground

Continuity

Connector

Terminal

E110

4

Not existed

Fuse block (J/B) vehicle side harness connector

Stop lamp switch vehicle side harness connector

Continuity

Connector

Terminal

Connector

Terminal

E103

4F

E110

3

Existed